Welcome to Mobile Notary Brooklyn! A notary public of the common law is a public officer constituted by law to serve the public in non-contentious matters usually concerned with general financial transactions, estates, deeds, powers-of-attorney, and foreign and international business. A notary's main functions are: • to validate the signature of a person, for purposes of signing a document); • administer oaths and affirmations; • take affidavits and statutory declarations, including from witnesses; • authenticate the execution of... read full review »